…hyponatremia, hypernatremia, hypomagnesemia, and hypermagnesemia are exceedingly rare precipitants of cardiac arrest. Sodium imbalance Neither hyponatremia nor hypernatremia typically cause discernible ECG changes. Hyponatremia Effective…

…Ward syndrome Idiopathic congenital long QT syndrome (LQTS) Metabolic disorders Hypokalemia Hypomagnesemia Hypocalcemia Starvation Anorexia nervosa Liquid protein diets Hypothyroidism Bradyarrhythmia Sinus bradycardia Sinus node…

…Furthermore, ongoing ischemia, hypomagnesemia, and moderate to severe renal impairment increase the likelihood of digitalis intoxication even at therapeutic doses. Diagnostics Electrocardiography and Electrophysiology Electrocardiographic…

…foscarnet, atazanavir) Hypokalemia Hypocalcemia Hypomagnesemia Cerebrovascular insult (bleeding) Myocardial ischemia Cardiomyopathy Bradycardia Hypothyroidism Hypothermia A separate chapter discusses Long QT syndrome (LQTS). A complete list…